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%  This file is part of Logtalk <https://logtalk.org/>
%  SPDX-FileCopyrightText: 1998-2025 Paulo Moura <pmoura@logtalk.org>
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:- object(left_recursion).

	a --> [].
	a --> a, b.

	b --> [].

	d --> [].
	d, [1] --> d, f.

	f --> [].

	p.
	p :- p, q.

	q.

:- end_object.


:- object(no_left_recursion).

	:- multifile(logtalk::message_tokens//2).
	:- dynamic(logtalk::message_tokens//2).

	logtalk::message_tokens(Message, left_recursion) -->
		message_tokens(Message, left_recursion).

	message_tokens(_, _) -->
		[].

	:- multifile(user::logtalk_library_path/2).
	:- dynamic(user::logtalk_library_path/2).

	user::logtalk_library_path(Library, Path) :-
		logtalk_library_path(Library, Path).

	logtalk_library_path(lib, path).

:- end_object.
